Question: What is the source material of the peanut butter, that pronunciation audio is Nl-pinda.ogg ?
Paraphrase: What is peanut butter's source material, is Nl - pinda.ogg pronunciation audio?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q147651 wdt:P186 ?answer . ?answer wdt:P443 ?x FILTER(contains(?x , 'Nl-pinda.ogg'))}